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Home >> Isuzu >> 2003 >> Axiom Base, RWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Diagnostic Procedures >> Fuel System >> Fuel System Electrical Test >> Test Description
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Test Description

Number below refers to step number Test Procedure:

    CAUTION: To reduce risk of fire and personal injury. It is necessary to relieve fuel system pressure before connecting a fuel pressure gauge. See FUEL SYSTEM PRESSURE RELEASE  . A small amount of fuel may be released when disconnecting fuel lines. Cover fuel line fittings with a shop towel before disconnecting, to catch any fuel that may leak out. Place towel in an approved container when the procedure is completed.
  1. 2 -  If fuel pump is operating but incorrect pressure is noted, fuel pump wiring is okay and Fuel System Pressure Test chart should be used for diagnosis.